add specific resource caps

Author: SteveL-MSFT

dsc/examples/PSConfEU_2024_Demo.md

@@ -48,6 +48,8 @@ dsc resource get -r Microsoft/osinfo
 ### Resource Manifest
 
 - JSON vs YAML
+- Args, JSON Input, Env Var
+- JSON Schema
 
 ### Resource Types
 
@@ -56,6 +58,10 @@ dsc resource get -r Microsoft/osinfo
 - Adapter
 - Import
 
+### Resource Capabilities
+
+- Get, Set, Test, Export, SetSupportsExist, WhatIf, Resolve
+
 ## DSC Configuration
 
 ### ARM Template-like